Pith Number

pith:GRMVJDSO

pith:2026:GRMVJDSOUGR7N6FRS6WJ67JOMR

not attested not anchored not stored refs pending

Black hole mergers as probes of spacetime's condensed degrees of freedom?

Arno Keppens, Lester Kurvers

arxiv:2605.18922 v1 · 2026-05-18 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRMVJDSOUGR7N6FRS6WJ67JOMR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-20T00:06:32.345207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3459548e4ea1a3f6f8b197ac9f7d2e646d5f95b641b5a1fea4091b3b9a43c589

Aliases

arxiv: 2605.18922 · arxiv_version: 2605.18922v1 · doi: 10.48550/arxiv.2605.18922 · pith_short_12: GRMVJDSOUGR7 · pith_short_16: GRMVJDSOUGR7N6FR · pith_short_8: GRMVJDSO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GRMVJDSOUGR7N6FRS6WJ67JOMR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3459548e4ea1a3f6f8b197ac9f7d2e646d5f95b641b5a1fea4091b3b9a43c589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "835321f4760248457ff862f31f3f08b9da302b2c627e97cd49c81c75ae8bebbd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-05-18T10:56:26Z",
    "title_canon_sha256": "6021110a96b52335919ea1ad83505938836c815a6cfd0928f30191158fe0b991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18922",
    "kind": "arxiv",
    "version": 1
  }
}